GB1492947A - Refractive system for elastic surface waves - Google Patents

Refractive system for elastic surface waves

Info

Publication number
GB1492947A
GB1492947A GB4745374A GB4745374A GB1492947A GB 1492947 A GB1492947 A GB 1492947A GB 4745374 A GB4745374 A GB 4745374A GB 4745374 A GB4745374 A GB 4745374A GB 1492947 A GB1492947 A GB 1492947A
Authority
GB
United Kingdom
Prior art keywords
refractive
area
lens
refractive area
surface wave
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB4745374A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thomson CSF SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Publication of GB1492947A publication Critical patent/GB1492947A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/36—Devices for manipulating acoustic surface waves

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Optical Integrated Circuits (AREA)
GB4745374A 1973-11-02 1974-11-01 Refractive system for elastic surface waves Expired GB1492947A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7339082A FR2250230B1 (enExample) 1973-11-02 1973-11-02

Publications (1)

Publication Number Publication Date
GB1492947A true GB1492947A (en) 1977-11-23

Family

ID=9127243

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4745374A Expired GB1492947A (en) 1973-11-02 1974-11-01 Refractive system for elastic surface waves

Country Status (3)

Country Link
DE (1) DE2451926A1 (enExample)
FR (1) FR2250230B1 (enExample)
GB (1) GB1492947A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3731309A1 (de) * 1987-09-17 1989-03-30 Siemens Ag Oberflaechenwellenanordnung mit konversionsstruktur zur vermeidung unerwuenschter reflektierter wellen

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2372380A1 (fr) * 1976-11-30 1978-06-23 Barbier Benard & Turenne Appareil d'eclairage sans ombres portees
FR2500177A1 (fr) * 1981-02-13 1982-08-20 Thomson Csf Dispositif dioptrique a ondes magnetostatiques

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3731309A1 (de) * 1987-09-17 1989-03-30 Siemens Ag Oberflaechenwellenanordnung mit konversionsstruktur zur vermeidung unerwuenschter reflektierter wellen

Also Published As

Publication number Publication date
DE2451926A1 (de) 1975-05-28
FR2250230A1 (enExample) 1975-05-30
FR2250230B1 (enExample) 1976-07-23

Similar Documents

Publication Publication Date Title
IT7819226A0 (it) Frangiflutti galleggiante.
OA04793A (fr) Dispositif pour la production d'ondes mécaniques utilisables notamment en sismique terrestre légère.
ES219944U (es) Una pantalla de proyeccion frontal.
NL7714268A (nl) Waterdampopnemend en waterdampdoorlatend vlak voorwerp uit polyurethan.
JPS5375950A (en) Formation of hologram
GB1492947A (en) Refractive system for elastic surface waves
GB1046168A (en) Semiconductor light modulator
JPS5230449A (en) Light ray scanner
FR1502985A (fr) Dispositif pour maintenir constante, suivant une direction déterminée, la distanceente les surfaces voisines, séparées par un léger jeu, d'un corps de référence et d'un corps mobile
NL7600049A (nl) Halfgeleiderinrichting met vier gebieden.
BE794106A (fr) Dispositif d'arret et de changement de direction
JPS5357388A (en) Nuclear reactor
JPS5412689A (en) Photo coupler
JPS5242097A (en) Reflecting mirror
JPS51131242A (en) Elastic surface wave filter
JPS51138185A (en) Semi-conductor device
JPS5224480A (en) Semiconductor laser
JPS5399765A (en) Semiconductor device having bonding pad
JPS5342682A (en) Junction type field effect transistor and its production
JPS51117826A (en) Non-contact keyboard
JPS5373943A (en) Waveguide flange
JPS525294A (en) Laser with variable wave length
GB1079119A (en) Light reflecting road marker
JPS5299715A (en) Optical reading device
BE754188A (fr) Dispositif de reglage d'une turbine centripete

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee